Well Testing Tubing String Testing Valve 5" x 15000psi

Oilfield Well Testing DST Tubing string testing valve Drill stem testing TST Valve

Introduction of the Well Testing Tubing String Testing Valve

The well testing tubing string testing (TST) valve is a full-opening valve applied to pressure test the workstring while running in the hole. The  testing valve is operated after it is stung into a permanent packer or after a retrievable packer is set.

Features and Benefits of Drill stem testing TST valve

• Flapper valve requires only 4 psi to open.

• Workstring can be pressure tested as many times as required as it is run in the hole.

•Testing Valve shear rating can be predetermined by the rupture disk.

• Testing Valve can also be used for pipe flexing.

The specification of the Tubing string tester valve

Pressure testing chart
 

ZZ TOP OIL TOOLS is the professional manufacturer for the drill stem testing tools and surface testing equipment. All the DST tools are conformed with NACE MR 0175 with traceability,and the DST tools can be worked in H2S & CO2 above 175 F and full H2S, also with the skilled and experienced engineers, we can design the drill stem testing tools as per customer's well condition. Moreover, we supply the training in our factory and operation instruction at the well site. The DST tools are exported to USA, Colombia, India, Pakistan, Iran, Brazil etc. and enjoy the good reputation from the customers.

ZZTOP supply the whole drill stem testing tools include Round Mandrel Slip Joint, Tubing String Tester Valve (TST), OMNI Valve(Multi Circulating Valve), Rupture Disk Safety Circulating Valve, Rupture Disk (RD) Sampler, Drain Valve, Select Tester Valve, LPR-N Valve, Gauge Carrier, Hydraulic Circulating Valve, Hydraulic Jar (Big John Jar/ BJ jar),  RTTS safety joint, RTTS Circulating Valve, RTTS Packer, Champ packer, Radial shock absorber, Vertical shock absorber.